Ungarn
Viser nå: Ungarn - Postfrimerker (1871 - 2024) - 1 frimerker.
1968
Cociety for the Popularisation of Scientific Knowledge
11. October VM: Ingen Perforering: 12½ x 11¼
![[Cociety for the Popularisation of Scientific Knowledge, type CJK]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Hungary/Postage-stamps/CJK-s.jpg)
